Home / 16,286.72-22,418.88-14,055.68

Finding the Fourth Proportional to 16,286.72, 22,418.88 and 14,055.68

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Solution

The fourth proportional to 16,286.72, 22,418.88 and 14,055.68 is: 19,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,286.72 : 22,418.88 = 14,055.68 : x
  2. Step 2: Convert to fraction form
    16,286.72/22,418.88 = 14,055.68/x
  3. Step 3: Cross multiply
    16,286.72x = 22,418.88 × 14,055.68
  4. Step 4: Simplify right side
    16,286.72x = 315,112,603.24
  5. Step 5: Solve for x
    x = 315,112,603.24/16,286.72
  6. Step 6: Final answer
    x = 19,347.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.